Medical apparatuses and devices, and parts and accessories therefor, used for [ analyzing, diagnosing, ] treating, and monitoring eye disease, namely, dry eye and meibomian gland dysfunction; Medical devices, and parts and accessories therefor, for expressing obstructions or occlusions from meibomian glands; Medical heater used primarily for medical purposes, namely, for applying heat to a patient's eye and related eye structure for treating eye diseases, namely, dry eye and meibomian gland d...